# Keys Trainer vs Music Buddy Pro

Keys Trainer and Music Buddy Pro both sit at 5.0 stars, but that hides the real split: 100% of Music Buddy Pro's written reviews are positive against 0% of Keys Trainer's. Music Buddy Pro also leads on update cadence (every 5 weeks vs every 9 months). Keys Trainer's advantage is price ($2.99 vs $3.99) and iOS requirement (12.0 vs 17.6). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Keys Trainer costs $2.99 and Music Buddy Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Keys Trainer against 5.0 for Music Buddy Pro. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 0% of Keys Trainer's written reviews are positive against 100% of Music Buddy Pro's.

Keys Trainer ships an update every 9 months, Music Buddy Pro every 5 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Keys Trainer | Music Buddy Pro |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/keys-trainer/id1525979034/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/music-buddy-pro-learn-notes/id6459015025/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 30 MB | 29 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Plearn LLC](https://appshunter.io/developer/6792172523) | [Vladimir Vasek](https://appshunter.io/developer/793356058) |

## What reviewers say

### Keys Trainer

[App page](https://appshunter.io/ios/app/keys-trainer/id1525979034)

Master key signatures and scales with this music learning app. Practice identifying keys, understanding note sharps/flats, and instantly recognizing scale layouts on a keyboard. Features include customizable practice, passive viewing, and a challenging game mode.

**Highlights:** Key signature recognition, Scale layout identification, Customizable learning range, Intelligent training based on performance, Practice, View, Game, and Search modes, Earn coins, medals, and trophies

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Music Buddy Pro

[App page](https://appshunter.io/ios/app/music-buddy-pro-learn-notes/id6459015025)

Master music theory with this app. Learn to recognize notes, key signatures, and intervals quickly through repetition and visual patterns. Supports multiple international note-naming systems and offers customizable learning modules for all skill levels.

**Highlights:** Note recognition, Key signature memorization, Interval training, Circle of fifths practice, Multiple note-naming systems, Customizable learning modules, Progress tracking

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Keys Trainer free?

Keys Trainer costs $2.99, with no in-app purchases.

### Is Music Buddy Pro free?

Music Buddy Pro costs $3.99, with no in-app purchases.

### Which has better reviews, Keys Trainer or Music Buddy Pro?

Keys Trainer and Music Buddy Pro are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Keys Trainer or Music Buddy Pro have ads?

Neither Keys Trainer nor Music Buddy Pro shows ads.

### Which is updated more often, Keys Trainer or Music Buddy Pro?

Keys Trainer ships an update every 9 months, and Music Buddy Pro every 5 weeks. Most recently, Keys Trainer was updated on September 21, 2026 and Music Buddy Pro on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*